Multiple blast hits northeast Nigerian town of Biu

MAIDUGURI, Nigeria (Reuters) - At least three explosions struck a military checkpoint in the northeast Nigerian town of Biu on Tuesday, witnesses and a security source said.

Witness Auwalu Ibrahim, a local pro-government vigilante, said there were children around the checkpoint when the blasts went off. "Everyone has been told to go home due to apprehension about the blasts," he said.